Exercising With Mask Induces A "Hypercapnic Hypoxia Environment"
by bill - 2020-08-07 12:23:44 ( in life, health, covid, masks) [php version]
similar posts here ... and elsewhere
Comments (We enjoy free speech. Try not to offend, but feel free to be offended.)
Leave your own comment:
Read the rest at corbettreport.com/november-open-thread/#comment-96787
post_ID = 1179